The price of these has increased significantly in recent months, possibly due to exchange rate fluctuations and some dealers may decide not to buy until exchange rates drop back towards normality as has happened in previous years.

Also, arnt the BGM Pipes closer to 50 mm so better than the closer to 42mm scootopia pipes for kits 225 and above? I'd happily buy a scootopia pipe but I believe they would be too restrictive and possibly cause a build up of heat?
I'm sure an expert will be along soon who can verify